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                菜园                </h1>
                <p>时间限制：10s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：128MB</p>			</div>
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                                <h3>题目描述</h3><p><div style="margin: 17pt 0cm 16.5pt"><span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 你有一个<i>N</i>*<i>M</i>大的长方形菜园，每个格子代表一块田地。</span><span style="font-size: medium"> 现在你想要检查一下菜园内的田地，于是你决定从右上角出发，在菜园里走一圈回到右上角。最后，所有在你走过的这个环内的田地都被认为检查过了。为了保护植物，你的路径只能在田地边界的小路上走，不能走到田地里面。并且你走过的路径不能自交， 小路保证足够宽，你可以多次沿着一条小路走，并且这些路径都不相交。</span></div>
<div style="line-height: 150%"><span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 先在给你菜园的地图，其中有的田地标记为&rdquo;I&rdquo;，表示这些田地是你想要检查的；有的田地被标记为&rdquo;X&rdquo;，表示这些田地是你不想检查的；有的田地被标记为&rdquo;.&rdquo;，表示这些田地你不关心。</span></div>
<div style="line-height: 150%"><span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 假设菜园中有K个&rdquo;I&rdquo;，那么你要输出K个数字，其中第i个数为：恰好检查任意i个标记为&rdquo;I&rdquo;的田地，并且没有检查任何一个标记为&rdquo;X&rdquo;的田地的最短路。</span></div></p><hr/><h3>输入格式</h3><p><div style="margin: 13pt 0cm; line-height: 150%">&nbsp;<span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 输入的第一行为<i>N</i>，<i>M</i>表示田地大小。</span></div>
<div style="line-height: 150%"><span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 接下来<i>N</i>行，每行<i>M</i>个字母（&rdquo;I&rdquo; ，&rdquo;X&rdquo; 或 &rdquo;.&rdquo;）描述菜园。</span></div></p><hr/><h3>输出格式</h3><p><div><span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 输出一行，<i>K</i>个数字用空格隔开，如题目描述中所述。</span></div></p><hr/><h3>样例输入</h3><pre>       2 2
       XX
       XI
</pre><hr/><h3>样例输出</h3><pre>       8

       
</pre><hr/><h3>提示</h3><p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 30%满足K=1；<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 100%数据满足N,M&le;50，除了&rdquo;.&rdquo;之外的字符最多10个。</p></p><hr/><h3>题目来源</h3><p>2010福建集训</p>
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